Describir: Survey of Boston Metropolitan district and adjacent areas :

  ______    _____     _  __    _____    _    _      ___      _  _     _____   
 /_____//  |  ___||  | |/ //  |  ___|| | || | ||   / _ \\   | \| ||  |  ___|| 
 `____ `   | ||__    | ' //   | ||__   | || | ||  | / \ ||  |  ' ||  | ||__   
 /___//    | ||__    | . \\   | ||__   | \\_/ ||  | \_/ ||  | .  ||  | ||__   
 `__ `     |_____||  |_|\_\\  |_____||  \____//    \___//   |_|\_||  |_____|| 
 /_//      `-----`   `-` --`  `-----`    `---`     `---`    `-` -`   `-----`  
 `-`